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Preparation device of large-area titanium dioxide thin film catalyst and preparation method thereof

A titanium dioxide and catalyst technology, which is applied in the field of preparation equipment of titanium dioxide thin film catalysts, can solve the problems of difficulty in efficiently preparing large-area titanium dioxide thin film catalysts and the like, and achieves the effects of flexibility, easy control, low cost and simple operation.

Inactive Publication Date: 2010-06-16
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a large-area titanium dioxide thin film catalyst preparation equipment and its preparation method to solve the problem in the prior art that it is difficult to continuously and efficiently prepare large-area titanium dioxide thin film catalysts under low-power power supply conditions

Method used

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  • Preparation device of large-area titanium dioxide thin film catalyst and preparation method thereof
  • Preparation device of large-area titanium dioxide thin film catalyst and preparation method thereof
  • Preparation device of large-area titanium dioxide thin film catalyst and preparation method thereof

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specific Embodiment approach 1

[0015] Specific implementation mode one: as figure 1 with 2 As shown, the preparation equipment of a large-area titanium dioxide thin film catalyst described in this embodiment includes a DC switching power supply 1, an anode 4 made of titanium, a cathode 7, an electrolyte tank 10, an anode connecting wire 2 and The cathode is connected to the wire 9, the positive pole of the DC switching stabilized current power supply 1 is connected to the anode 4 made of titanium through the anode connecting wire 2, and the negative pole of the DC switching stabilized current power supply 1 is connected to the anode through the cathode connecting wire 9. The cathode 7 is connected; the preparation equipment also includes a reaction monomer tank 6, an electrolyte return pipe 14, an electrolyte delivery pipe 13, a drive mechanism 30 and an electrolyte delivery pump 12, and the reaction monomer tank 6 is a closed cavity , the length of the negative electrode 7 is far less than the length of t...

specific Embodiment approach 2

[0017] Specific implementation mode two: as figure 1 with 2 As shown, the driving mechanism 30 in this embodiment is composed of a synchronous belt 25, a first fixed pulley 15, a second fixed pulley 16, a third fixed pulley 17, a fourth fixed pulley 18 and a motor 19, and the synchronous belt 25 is respectively wound around Be located on the first fixed pulley 15, the second fixed pulley 16, the third fixed pulley 17 and the fourth fixed pulley 18 on the same horizontal plane and rectangular distribution, and the reaction monomer groove 6 is located at the first fixed pulley 15 and the third fixed pulley Between 17; driven by the motor 19, the synchronous belt 25 rotates circumferentially along the track constructed by the above four fixed pulleys, so that the reaction monomer tank 6 moves relatively along the side of the anode 4 made of titanium. Driven by the motor 19, the synchronous belt 25 can move between the tracks set by the first fixed pulley 15, the second fixed pul...

specific Embodiment approach 3

[0018] Specific implementation mode three: as Figure 1~3As shown, the preparation equipment described in this embodiment also includes two insulating sealing rings 5, the anode 4 and cathode 7 made of titanium are both round tubes (anode titanium tube 4), and the cathode 7 is located in the titanium anode In the inner cavity of the anode 4; the reaction monomer tank 6 is composed of two end caps 6-1 and an annular cavity formed between the anode 4 and the cathode 7 made of titanium, and the two end caps 6-1 Located in the inner cavity of the anode 4 made of titanium, an end cap 6-1 is hermetically arranged on the upper end and the lower end of the cathode 7; between each end cap 6-1 and the anode 4 made of titanium, there is a Insulating sealing ring 5; one end of the timing belt 25 is connected with the upper end cover of the reaction monomer tank 6, and the other end of the timing belt 25 is connected with the lower end cover of the reaction monomer tank 6. The reaction mo...

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Abstract

The invention provides a preparation device of a large-area titanium dioxide thin film catalyst and a preparation method thereof, relating to the preparation device and the method of a titanium dioxide catalyst and solving the problem that the continuous and high-efficiency preparation of the large-area titanium dioxide thin film catalyst is hardly realized under the condition of low-power power supply. The electrolyte in a reaction monomer tank is in contact with the side of an anode made of titanium and the side of a cathode synchronously, a driving mechanism is used for enabling the reaction monomer tank to make relative movement along the side of the anode made of the titanium. The preparation method mainly comprises the following steps of: circularly flowing the electrolyte between an electrolyte tank and the reaction monomer tank; applying voltage or current between the anode and the cathode, wherein the current density is below 200mA / cm2 and the voltage is below 300V; and enabling the reaction monomer tank to make relative movement along the side of the anode made of the titanium according to set requirements. The device can prepare the large-area titanium dioxide thin film catalyst under the condition of the low-power power supply by arranging the reaction monomer tank capable of moving relative to the anode made of the titanium. The method has good production flexibility and high efficiency.

Description

technical field [0001] The invention relates to a preparation device for a titanium dioxide thin film catalyst and a preparation method for preparing a titanium dioxide thin film catalyst by using the device. Background technique [0002] Titanium dioxide photocatalytic technology has outstanding advantages such as low energy consumption, easy operation, and can reduce secondary pollution, and is widely used in various fields of production and life. The early titanium dioxide photocatalysts were mainly suspended phase, and the specific surface area of ​​the catalyst was large, but the catalyst was easy to aggregate, difficult to separate, easy to deactivate and difficult to recycle, and it was difficult to commercialize it. At present, the preparation of immobilized titanium dioxide photocatalysts mainly includes sol-gel method, high-temperature oxidation method, plasma injection and deposition methods, etc., but there are still problems such as weak catalyst loading and low...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J21/06B01J35/02B01J37/34
Inventor 尤宏吴东海孙胜杰杜佳暄
Owner HARBIN INST OF TECH
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